Portable Spot Welder Kit 99 Gear Mini DIY Spots Welding Machine, 18650 Lithium Battery Energy Storage PCB Circuit Board Equipment ,Easy to Use

Both spot welding machine and voltmeter: built-in 12-bit high-precision ADC, voltage measurement accuracy up to 0.01 Voltage can be tested range: 8-24V, connected to the power supply automatically display voltage 99 speed power adjustment: digital tube real-time gear display 8 MOS tubes: spot welding peak current up to 2400A Bilateral outlet: easy spot welding, product marked, not easy to connect wrong Super thick copper pipe :12AWG wire, alumina copper spot welding needle, to ensure excessive current capacity and durability, greatly improve the efficiency of spot welding